LevelOne 48V DC Industrial Power Supply, 240W, DIN-Rail, PoE Ready

The LevelOne POW-4851 is a 48V DC, 240W DIN-rail industrial power supply designed for reliable operation in harsh environments. It accepts a wide AC input range (90–264V) and provides essential protections against over-voltage, overload and short circuit. The unit is compatible with Infinity Industrial PoE Ethernet series and supports PoE and PoE Plus requirements. Compact and DIN-rail mountable, it is intended for industrial installations that require continuous power delivery with high MTBF.

Advantages

The POW-4851 offers a universal AC input range and built-in protection features to ensure stable output under varying mains conditions. Rated for operation from -20 °C to 70 °C at full load without additional cooling, it is suitable for constrained industrial cabinets. With a high MTBF and recognized safety certifications (including IEC60068 and UL60950-1), the device provides dependable long-term performance in industrial deployments.

Suitable for

• DIN-rail mounted industrial network equipment
• Powering PoE and PoE+ network switches and injectors
• Factory automation and control cabinets
• Remote or harsh-environment installations requiring 48V DC

Key specifications

• Output voltage: 48 V DC
• Output power: 240 W
• AC input range: 90–264 V AC
• Operating temperature: -20 °C to 70 °C at full load
• Protection: over-voltage, overload, short circuit
• Mounting: DIN-rail
• Dimensions: 125.2 mm × 113.5 mm × 63 mm
• MTBF: 230,200 hours
• Certifications: IEC60068, UL60950-1

How to use

Install the POW-4851 on a compatible DIN-rail inside an appropriate industrial enclosure. Connect the AC input within the specified 90–264 V range and verify wiring according to local electrical codes. Connect the 48 V DC output to the PoE switch or other 48V devices, ensuring correct polarity and secure terminals. After powering up, verify output voltage and system operation before placing equipment into continuous service.

Recommendations

For reliable operation, mount the unit with sufficient clearance for ventilation, avoid exposure to direct condensation or corrosive atmospheres, and use proper surge protection on the AC supply where the mains are unstable.